EP0722216A3 - Appareil et méthode de ciruit d'isolation linéaire à division de trajet - Google Patents
Appareil et méthode de ciruit d'isolation linéaire à division de trajet Download PDFInfo
- Publication number
- EP0722216A3 EP0722216A3 EP96300220A EP96300220A EP0722216A3 EP 0722216 A3 EP0722216 A3 EP 0722216A3 EP 96300220 A EP96300220 A EP 96300220A EP 96300220 A EP96300220 A EP 96300220A EP 0722216 A3 EP0722216 A3 EP 0722216A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- path
- optocoupler
- transformer
- primary winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002955 isolation Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
- 238000004804 winding Methods 0.000 abstract 5
- 230000004907 flux Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/273—Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses inductive isolation means, e.g. transformers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/276—Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses optical isolation means, e.g. optical couplers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/39—Different band amplifiers are coupled in parallel to broadband the whole amplifying circuit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/372,545 US5517154A (en) | 1995-01-13 | 1995-01-13 | Split-path linear isolation circuit apparatus and method |
US372545 | 1995-01-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0722216A2 EP0722216A2 (fr) | 1996-07-17 |
EP0722216A3 true EP0722216A3 (fr) | 1998-04-22 |
EP0722216B1 EP0722216B1 (fr) | 2003-03-05 |
Family
ID=23468598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96300220A Expired - Lifetime EP0722216B1 (fr) | 1995-01-13 | 1996-01-11 | Appareil et méthode de ciruit d'isolation linéaire à division de trajet |
Country Status (6)
Country | Link |
---|---|
US (1) | US5517154A (fr) |
EP (1) | EP0722216B1 (fr) |
JP (1) | JP2811632B2 (fr) |
KR (1) | KR100366912B1 (fr) |
CN (1) | CN1101077C (fr) |
DE (1) | DE69626431T2 (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5834973A (en) * | 1997-05-01 | 1998-11-10 | Fluke Corporation | Voltage isolation circuit for a measurement channel |
US6169801B1 (en) | 1998-03-16 | 2001-01-02 | Midcom, Inc. | Digital isolation apparatus and method |
US8147544B2 (en) | 2001-10-30 | 2012-04-03 | Otokinetics Inc. | Therapeutic appliance for cochlea |
US6944559B2 (en) * | 2002-11-22 | 2005-09-13 | Tektronix, Inc. | Channel isolation by switched grounds |
US6933771B2 (en) * | 2003-07-15 | 2005-08-23 | Stanley D. Stearns | Optically generated isolated feedback stabilized bias |
US7592866B2 (en) * | 2006-02-17 | 2009-09-22 | Bae Systems Information And Electronic Systems Integration Inc. | Widebrand differential amplifier including single-ended amplifiers coupled to a four-port transformer |
JP5301081B2 (ja) * | 2006-03-14 | 2013-09-25 | 日置電機株式会社 | 二重絶縁された電気計測機器 |
CN101350557B (zh) * | 2007-07-18 | 2011-04-27 | 华为技术有限公司 | 一种电源调整装置 |
JP5497751B2 (ja) * | 2008-05-23 | 2014-05-21 | フィッシャー コントロールズ インターナショナル エルエルシー | 光アイソレータ多電圧検出回路 |
CN101551415B (zh) * | 2009-03-30 | 2012-07-25 | 福建上润精密仪器有限公司 | 无源配电隔离器及0~20mA信号无源隔离器 |
FR2974909B1 (fr) * | 2011-05-02 | 2013-05-31 | Chauvin Arnoux | Dispositif d'isolation galvanique |
CN103353544B (zh) * | 2012-06-15 | 2015-08-12 | 杭州祺来电子有限公司 | 分路线性隔离电路装置 |
US9319247B2 (en) | 2012-10-17 | 2016-04-19 | Rohde & Schwarz Gmbh & Co. Kg | Method and device for broadband high isolation coupling |
CN103884895B (zh) * | 2012-12-20 | 2017-10-24 | 北京普源精电科技有限公司 | 一种多路线性隔离电路及其示波器 |
CN103884893B (zh) * | 2012-12-20 | 2017-10-24 | 北京普源精电科技有限公司 | 一种分路线性隔离电路及其示波器 |
CN103884894B (zh) * | 2012-12-20 | 2018-07-13 | 北京普源精电科技有限公司 | 一种改进的分路线性隔离电路及其示波器 |
JP6478647B2 (ja) * | 2015-01-15 | 2019-03-06 | 横河電機株式会社 | 信号伝送装置 |
CN104901649B (zh) * | 2015-06-11 | 2017-08-25 | 北京楚捷科技有限公司 | 一种微惯性测量信号的多功能冗余滤波电路 |
US10067165B2 (en) * | 2015-09-04 | 2018-09-04 | Ford Global Technologies, Llc | Isolated differential voltage probe for EMI noise source |
CN106849882B (zh) * | 2017-01-23 | 2019-11-01 | 电子科技大学 | 一种基于人工神经网络的超宽带低噪声放大器 |
CN106706993B (zh) * | 2017-01-23 | 2023-06-13 | 惠州三华工业有限公司 | 一种光耦电流检测电路 |
PL234634B1 (pl) * | 2017-12-04 | 2020-03-31 | Inst Tele I Radiotech | Uniwersalny układ pomiarowy z izolacją galwaniczną |
US11280811B2 (en) | 2019-06-17 | 2022-03-22 | Advanced Energy Industries, Inc. | High side current monitor |
CN110269634B (zh) * | 2019-06-20 | 2023-09-12 | 上海联影医疗科技股份有限公司 | 隔离变换器、x射线产生设备及医学成像系统 |
CN110190837B (zh) * | 2019-06-24 | 2024-03-15 | 镇江英创电力电子有限公司 | 一种隔离放大器装置 |
US11187730B2 (en) | 2019-11-19 | 2021-11-30 | Rohde & Schwarz Gmbh & Co. Kg | Probe head, probe coupler and probe arrangement |
CN111969994A (zh) * | 2020-08-04 | 2020-11-20 | 中电科仪器仪表有限公司 | 一种基于磁场耦合的宽带模拟信号隔离传输电路 |
CN117590056B (zh) * | 2024-01-15 | 2024-04-26 | 广州德肯电子股份有限公司 | 一种交直流信号隔离检测电路和检测装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3733514A (en) * | 1971-03-19 | 1973-05-15 | Tektronix Inc | Wide band amplifier having two separate high and low frequency paths for driving capacitive load with large amplitude signal |
US4346349A (en) * | 1979-05-10 | 1982-08-24 | Nippon Gakki Seizo Kabushiki Kaisha | Multi-channel audio power amplifier |
EP0475835A1 (fr) * | 1990-09-14 | 1992-03-18 | Sextant Avionique | Circuit d'amplification à découpage pour la fourniture d'un courant proportionnel à une tension, et système de déflexion électromagnétique utilisant au moins un tel circuit |
EP0476908A1 (fr) * | 1990-09-19 | 1992-03-25 | Matsushita Electric Industrial Co., Ltd. | Circuit amplificateur |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3525041A (en) * | 1966-08-08 | 1970-08-18 | Tektronix Inc | Magnetic field measuring method and device effective over a wide frequency range |
US4482862A (en) * | 1982-06-10 | 1984-11-13 | The Charles Stark Draper Laboratory, Inc. | Current sensor |
JPS5992608A (ja) * | 1982-11-19 | 1984-05-28 | Oki Electric Ind Co Ltd | 電力増幅回路 |
JPS59137710A (ja) * | 1983-01-27 | 1984-08-07 | Mitsubishi Electric Corp | 液体燃料気化装置 |
JPS6090917U (ja) * | 1983-11-28 | 1985-06-21 | 日本電気株式会社 | 増幅器切替回路 |
JPS601016U (ja) * | 1984-05-16 | 1985-01-07 | 沖電気工業株式会社 | アイソレ−シヨン増幅回路 |
CH662000A5 (fr) * | 1985-02-05 | 1987-08-31 | Lem Sa | Transformateur d'intensite pour courant continu et alternatif. |
JPH0272706A (ja) * | 1988-09-07 | 1990-03-13 | Yokogawa Electric Corp | 絶縁増副装置 |
CA2009775C (fr) * | 1989-03-04 | 1994-12-06 | Brian E. Attwood | Amplificateur audio a modulation d'impulsions en duree |
US5121075A (en) * | 1991-03-04 | 1992-06-09 | Hewlett-Packard Co. | Precision programmable attenuator |
-
1995
- 1995-01-13 US US08/372,545 patent/US5517154A/en not_active Expired - Lifetime
-
1996
- 1996-01-05 JP JP8017193A patent/JP2811632B2/ja not_active Expired - Fee Related
- 1996-01-09 KR KR1019960000234A patent/KR100366912B1/ko not_active IP Right Cessation
- 1996-01-11 DE DE69626431T patent/DE69626431T2/de not_active Expired - Lifetime
- 1996-01-11 EP EP96300220A patent/EP0722216B1/fr not_active Expired - Lifetime
- 1996-01-13 CN CN96101007A patent/CN1101077C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3733514A (en) * | 1971-03-19 | 1973-05-15 | Tektronix Inc | Wide band amplifier having two separate high and low frequency paths for driving capacitive load with large amplitude signal |
US4346349A (en) * | 1979-05-10 | 1982-08-24 | Nippon Gakki Seizo Kabushiki Kaisha | Multi-channel audio power amplifier |
EP0475835A1 (fr) * | 1990-09-14 | 1992-03-18 | Sextant Avionique | Circuit d'amplification à découpage pour la fourniture d'un courant proportionnel à une tension, et système de déflexion électromagnétique utilisant au moins un tel circuit |
EP0476908A1 (fr) * | 1990-09-19 | 1992-03-25 | Matsushita Electric Industrial Co., Ltd. | Circuit amplificateur |
Non-Patent Citations (2)
Title |
---|
"L'ISOLEMENT: PROTECTION DES PERSONNES ET DES APPAREILS", ELECTRONIQUE RADIO PLANS, no. 522, 1 May 1991 (1991-05-01), pages 19 - 22, XP000229406 * |
M.EMURA ET AL: "NOVEL TRACKING AMPLIFIER COMPOSED OF SWITCH AND COMPARATOR", INTERNATIONAL JOURNAL OF ELECTRONICS., vol. 56, no. 3, March 1984 (1984-03-01), LONDON GB, pages 379 - 385, XP002056780 * |
Also Published As
Publication number | Publication date |
---|---|
EP0722216B1 (fr) | 2003-03-05 |
KR960029796A (ko) | 1996-08-17 |
CN1101077C (zh) | 2003-02-05 |
US5517154A (en) | 1996-05-14 |
KR100366912B1 (ko) | 2003-08-02 |
JP2811632B2 (ja) | 1998-10-15 |
EP0722216A2 (fr) | 1996-07-17 |
CN1139213A (zh) | 1997-01-01 |
DE69626431D1 (de) | 2003-04-10 |
DE69626431T2 (de) | 2004-04-08 |
JPH08256027A (ja) | 1996-10-01 |
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